A position detection apparatus includes a projection unit that projects an image, a radiation unit that radiates light, a detection unit that detects reflected light of the light radiated from the radiation unit, and an output control unit that performs control for outputting information corresponding to a detection position of the reflected light based on a detection result from the detection unit when a radiation direction of the light radiated from the radiation unit is adjusted.
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1. A position detection apparatus comprising: a projection unit that projects an image; a radiation unit that radiates light; a detection unit that detects reflected light of the light radiated from the radiation unit; a change unit that adjusts a radiation direction of the light radiated from the radiation unit; and an output control unit that performs control for outputting information corresponding to a detection position of the reflected light based on a detection result from the detection unit when the radiation direction of the light radiated from the radiation unit is adjusted, wherein: the output control unit controls the projection unit to project an image including a first mark onto a position corresponding to the detection position of the reflected light and to project an image including a second mark onto a target position for the first mark; as the change unit adjusts the radiation direction of the light radiated from the radiation unit, the first mark moves and the second mark remains still; and the first mark and the second mark are visible.
A position detection apparatus projects an image and radiates light. It detects reflected light and adjusts the light's direction. When the light direction changes, the apparatus outputs information corresponding to the reflected light's detected position. The projection unit displays a first mark at the reflected light's position and a second mark at the first mark's target position. Adjusting the light direction moves the first mark, while the second mark stays still. Both marks are visible to the user.
2. The position detection apparatus according to claim 1 , wherein the output control unit changes the shape of either or both of the first mark and the second mark when the first mark and the second mark have a predetermined positional relationship, but does not in other cases.
In the position detection apparatus, where a first mark indicates a reflected light's position and a second mark indicates the first mark's target, the apparatus changes the shape of one or both marks when they reach a specified proximity or alignment. The mark shape remains unchanged otherwise. The apparatus projects an image and radiates light, detects reflected light, adjusts the light's direction, and outputs information corresponding to the reflected light's detected position. Adjusting the light direction moves the first mark, while the second mark stays still. Both marks are visible.
3. The position detection apparatus according to claim 1 , wherein the output control unit changes the color of either or both of the first mark and the second mark when the first mark and the second mark have a predetermined positional relationship, but does not in other cases.
In the position detection apparatus, where a first mark indicates a reflected light's position and a second mark indicates the first mark's target, the apparatus changes the color of one or both marks when they reach a specified proximity or alignment. The mark color remains unchanged otherwise. The apparatus projects an image and radiates light, detects reflected light, adjusts the light's direction, and outputs information corresponding to the reflected light's detected position. Adjusting the light direction moves the first mark, while the second mark stays still. Both marks are visible.
4. The position detection apparatus according to claim 1 , wherein the output control unit controls the projection unit to project an image including information indicating a positional state when the detection position of the reflected light is a predetermined position.
The position detection apparatus, which projects an image, radiates light, detects reflected light, adjusts the light's direction, and outputs information based on the reflection position, projects additional information about the positional state when the detected reflection point is at a specific, predetermined location. A first mark indicates a reflected light's position and a second mark indicates the first mark's target. Adjusting the light direction moves the first mark, while the second mark stays still. Both marks are visible.
5. The position detection apparatus according to claim 1 , wherein the output control unit performs control for outputting voice information indicating a positional state when the detection position of the reflected light is a predetermined position.
The position detection apparatus, which projects an image, radiates light, detects reflected light, adjusts the light's direction, and outputs information based on the reflection position, outputs audible information about the positional state when the detected reflection point is at a specific, predetermined location. A first mark indicates a reflected light's position and a second mark indicates the first mark's target. Adjusting the light direction moves the first mark, while the second mark stays still. Both marks are visible.
6. The position detection apparatus according to claim 1 , further comprising an imaging unit that images the reflected light.
The position detection apparatus projects an image, radiates light, detects reflected light, adjusts the light's direction, and outputs information based on the reflection position. The system also includes a camera that captures images of the reflected light, allowing for visual analysis and processing of the reflected light data. A first mark indicates a reflected light's position and a second mark indicates the first mark's target. Adjusting the light direction moves the first mark, while the second mark stays still. Both marks are visible.
7. The position detection apparatus according to claim 6 , wherein the imaging unit is a camera that images the reflected light in an infrared region and images the image projected by the projection unit.
The position detection apparatus uses a camera to image reflected light, which operates in the infrared region to capture the reflected light data. The camera also captures the image projected by the projection unit, providing a complete visual context. The apparatus projects an image and radiates light, detects reflected light, adjusts the light's direction, and outputs information based on the reflection position. A first mark indicates a reflected light's position and a second mark indicates the first mark's target. Adjusting the light direction moves the first mark, while the second mark stays still. Both marks are visible.
8. The position detection apparatus according to claim 1 , further comprising a controller configured to control a mode of the projection unit to switch between a normal use mode and a light radiation angle adjustment mode in response to user operation.
The position detection apparatus includes a controller that lets the user switch the projection unit between two modes: a normal use mode for regular operation, and a light radiation angle adjustment mode, which helps to adjust the direction of light emitted. The apparatus projects an image and radiates light, detects reflected light, adjusts the light's direction, and outputs information based on the reflection position. A first mark indicates a reflected light's position and a second mark indicates the first mark's target. Adjusting the light direction moves the first mark, while the second mark stays still. Both marks are visible.
9. A position detection method comprising: radiating light; imaging reflected light obtained by reflection of the radiated light with an imaging unit to detect the reflected light; performing control for outputting information corresponding to a detection position of the reflected light based on the detected result when adjusting a radiation direction of the light; projecting an image including a first mark onto a position corresponding to the detection position of the reflected light; and projecting an image including a second mark onto a target position for the first mark, wherein: the first mark and the second mark are visible; and as the radiation direction of the light is adjusted, the first mark moves and the second mark remains still.
A position detection method involves radiating light and using a camera to capture reflected light. The system detects the reflected light from the image captured by the camera. As the light's direction is adjusted, the system outputs information related to the detected position of the reflected light. The system projects a first mark at the reflected light's position and a second mark at the target position. The first mark moves as the light direction is adjusted, while the second mark remains stationary. Both marks are visible to the user.
10. The position detection method according to claim 9 , wherein the imaging unit is a camera that images the reflected light in an infrared region.
In the position detection method where light is radiated, reflected light is imaged by a camera, and a first and second mark are projected to assist in adjusting the light, the camera captures reflected light in the infrared spectrum. The camera captures reflected light after the light is radiated, with the direction of light being adjusted to output corresponding positional information. A first mark moves while a second mark remains still. Both marks are visible.
11. The position detection method according to claim 9 , further comprising controlling a mode of the projection unit to switch between a normal use mode and a light radiation angle adjustment mode in response to user operation.
In the position detection method where light is radiated, reflected light is imaged by a camera, and a first and second mark are projected to assist in adjusting the light, a controller changes the mode of the projection unit between normal use and light adjustment mode based on user input. The camera captures reflected light after the light is radiated, with the direction of light being adjusted to output corresponding positional information. A first mark moves while a second mark remains still. Both marks are visible.
12. A position detection apparatus comprising: a projection unit that projects an image on a projection surface; a radiation unit that radiates a planar light curtain along the projection surface; a detection unit that detects reflected light obtained by reflection of the light curtain from a reflector installed on the projection surface to adjust a radiation direction of the light curtain; a change unit that adjusts the radiation direction of the light curtain; and an output control unit that performs control for outputting information corresponding to a detection position of the reflected light based on a detection result from the detection unit, wherein: the output control unit controls the projection unit to project an image including a first mark onto a position corresponding to the detection position of the reflected light and to project an image including a second mark onto a target position for the first mark; as the change unit adjusts the radiation direction of the light curtain, the first mark moves and the second mark remains still; and the first mark and the second mark are visible.
A position detection apparatus projects an image onto a surface and radiates a planar light curtain along that surface. Reflected light from a reflector on the surface is detected to adjust the light curtain's direction. The light curtain direction can be adjusted. The apparatus outputs information corresponding to the detected position of the reflected light. It projects a first mark at the reflection point and a second mark at the first mark's target. Adjusting the light curtain's direction moves the first mark, while the second mark remains still. Both marks are visible.
13. The position detection apparatus according to claim 12 , further comprising an installation position presenting unit that causes the projection unit to project a mark indicating a position for the reflector to be installed on the projection surface.
The position detection apparatus, which projects an image, radiates a light curtain, detects reflected light from a reflector to allow adjustment, and outputs information relating to the light position, also includes a projection feature that displays a visual marker on the projection surface indicating where the reflector should be placed. Adjusting the light curtain's direction moves the first mark, while the second mark remains still. Both marks are visible.
14. The position detection apparatus according to claim 13 , further comprising a change unit that turns the light curtain using a predetermined straight line extending along the light curtain through the radiation unit as a rotation axis, wherein the installation position presenting unit projects the mark to install the reflector on the predetermined straight line.
The position detection apparatus, which projects an image, radiates a light curtain, detects reflected light from a reflector to allow adjustment, outputs information relating to the light position, and projects a position marker for reflector installation, rotates the light curtain. The rotation uses a predefined line, extending along the light curtain, as an axis, and the installation marker indicates a position along this line. Adjusting the light curtain's direction moves the first mark, while the second mark remains still. Both marks are visible.
15. The position detection apparatus according to claim 12 , further comprising an imaging unit that images the reflected light.
The position detection apparatus, which projects an image, radiates a light curtain, detects reflected light from a reflector to allow adjustment, and outputs information relating to the light position, also includes a camera that captures images of the reflected light. This imaging allows the system to analyze and process the reflected light data. Adjusting the light curtain's direction moves the first mark, while the second mark remains still. Both marks are visible.
16. The position detection apparatus according to claim 15 , wherein the imaging unit is a camera that images the reflected light in an infrared region and images the image on the projection surface.
In the position detection apparatus where a light curtain is projected, and reflected light detected by a camera, the camera captures the reflected light within the infrared spectrum. Additionally, the camera captures the image projected on the projection surface, providing a complete visual representation. The apparatus projects an image, radiates a light curtain, detects reflected light from a reflector to allow adjustment, and outputs information relating to the light position. Adjusting the light curtain's direction moves the first mark, while the second mark remains still. Both marks are visible.
17. The position detection apparatus according to claim 12 , further comprising a controller configured to control a mode of the projection unit to switch between a normal use mode and a light curtain angle adjustment mode in response to user operation.
The position detection apparatus incorporates a controller that allows the user to switch between normal operation of the projector and a mode specifically designed for adjusting the light curtain angle. The apparatus projects an image, radiates a light curtain, detects reflected light from a reflector to allow adjustment, and outputs information relating to the light position. Adjusting the light curtain's direction moves the first mark, while the second mark remains still. Both marks are visible.
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January 16, 2015
July 25, 2017
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